caesar = input("Enter sentence to cipher: ")
shift = input ("Enter shift amount: ")
alph = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]
def split(caesar):
    return list(caesar)
print(split(caesar))
length = len(list(caesar))
x = 0
sent = []
pos = int(shift)

while pos > 26:
    pos = pos - 26

def pos3cal():
    global pos3
    global x
    x =x + 1
    pos3 = pos2 + pos
    while pos3 >26:
        pos3 = pos3-26
while x < length:
    global pos2
    if list(caesar)[x] == "a":
        pos2 = 0
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "b":
        pos2 = 1
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "c":
        pos2 = 2
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "d":
        pos2 = 3
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "e":
        pos2 = 4
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "f":
        pos2 = 5
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "g":
        pos2 = 6
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "h":
        pos2 = 7
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "i":
        pos2 = 8
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "j":
        pos2 = 9
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "k":
        pos2 = 10
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "l":
        pos2 = 11
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "m":
        pos2 = 12
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "n":
        pos2 = 13
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "o":
        pos2 = 14
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "p":
        pos2 = 15
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "q":
        pos2 = 16
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "r":
        pos2 = 17
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "s":
        pos2 = 18
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "t":
        pos2 = 19
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "u":
        pos2 = 20
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "v":
        pos2 = 21
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "w":
        pos2 = 22
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "x":
        pos2 = 23
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "y":
        pos2 = 24
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == "z":
        pos2 = 25
        pos3cal()
        sent.append((alph[pos3]))
    elif list(caesar)[x] == " ":
        sent.append(" ")
    else:
        print("Error")
print(*sent)